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vendor/periph.io/x/host/v3/allwinner/doc.go

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+// Copyright 2016 The Periph Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+// Package allwinner exposes the GPIO functionality that is common to all
+// AllWinner processors.
+//
+// This driver implements memory-mapped GPIO pin manipulation and leverages
+// sysfs-gpio for edge detection.
+//
+// If you are looking at the actual implementation, open doc.go for further
+// implementation details.
+//
+// # Datasheets
+//
+// A64: http://files.pine64.org/doc/datasheet/pine64/Allwinner_A64_User_Manual_V1.0.pdf
+//
+// H3: http://dl.linux-sunxi.org/H3/Allwinner_H3_Datasheet_V1.0.pdf
+//
+// R8: https://github.com/NextThingCo/CHIP-Hardware/raw/master/CHIP%5Bv1_0%5D/CHIPv1_0-BOM-Datasheets/Allwinner%20R8%20User%20Manual%20V1.1.pdf
+//
+// Physical overview: http://files.pine64.org/doc/datasheet/pine64/A64_Datasheet_V1.1.pdf
+package allwinner
+
+// Other implementation details
+//
+// The most active kernel branch is
+// https://github.com/linux-sunxi/linux-sunxi/commits/sunxi-next
+//
+// In particular look at
+// https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-next/drivers/dma/sun4i-dma.c
+// and
+// https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-next/drivers/dma/sun6i-dma.c